This circuit for testing old analog lines was published in April 1986 Radio Electronics magazine. The circuit uses only passive components.
This circuit meets applications in remote control. It allows to control a motor from input pulses. The...
This circuit emits a warning sound when night falls. The circuit is from a Hands On Electronics from...
This circuit can operate between frequencies from 1 to 15 MHz depending on the coil. For 3.5 MHz...